INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Operating Loss Carryforwards [Line Items]
Net deferred tax assets	$ 63.7
Deferred tax assets not related to net operating losses or credits	13.8
Deferred tax assets related to alternative minimum tax credits	1.3
Federal [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax assets related to net operating losses	42.1
State [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax assets related to net operating losses	$ 7.8
Minimum [Member] | Federal [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax assets related to net operating losses, expiration date	Jan. 01, 2029
Minimum [Member] | State [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax assets related to net operating losses, expiration date	Jan. 01, 2027
Maximum [Member] | Federal [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax assets related to net operating losses, expiration date	Dec. 31, 2032
Maximum [Member] | State [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax assets related to net operating losses, expiration date	Dec. 31, 2032